Women CEOs run 10.4% of Fortune 500 companies. A quarter of the 52 leaders became CEO in the last year

From left: Priscilla Almodovar of Fannie Mae, Karen Lynch of CVS Health, and Carrie Wheeler of Opendoor are among this year's Fortune 500 female chief executives.
Lynch: Jessica Chou; Almodovar and Wheeler courtesy of Fannie Mae and Opendoor